Learn Blockchains using Spreadsheets

Understand the concepts behind crypto with zero code

🐓 Hashing

Hashing some input data in Google Sheets

Why are hashes so special?

🔐 What does a block look like?

A block in our blockchain
Changing anything in our block causes our hash to change, invalidating the block!

⛏ Mining

Finding a hash beginning with a single 0 takes on average 16 attempts

💼 The job of a miner

🏋️‍♀️ Proof of Work

💎 The immutability of the blockchain

A single change anywhere invalidates the subsequent blocks

👨‍🏫 What I didn’t explain

https://twitter.com/van_flymen • Software Engineer • https://dvf.nyc • South African in NYC ✌️

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store